虎鯨 vs Great Hammerhead

Orcinus orca compared with Sphyrna mokarran

Key Differences

• 虎鯨 is Data Deficient while Great Hammerhead is Critically Endangered.
• 虎鯨 is 12.0x heavier than Great Hammerhead.
• 虎鯨 lives longer (50 years vs 40 years).

Taxonomic Classification

Rank	虎鯨	Great Hammerhead
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Chondrichthyes (软骨鱼纲)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (真鲨目)
Family	Delphinidae (Oceanic Dolphins)	Sphyrnidae (Hammerhead Sharks)
Genus	Orcinus (Orcas)	Sphyrna (Hammerhead Sharks)
Species	Orcinus orca	Sphyrna mokarran

Evolutionary Relationship

虎鯨 and Great Hammerhead share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

虎鯨

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Great Hammerhead

CR — Critically Endangered

Trend: Decreasing ↓

Physical Characteristics

Attribute	虎鯨	Great Hammerhead
Diet	Carnivore	Carnivore
Average Lifespan	50 years	40 years
Average Length	8.0 m	5.0 m
Average Weight	5.4 t	450.0 kg

Habitat & Geographic Range

虎鯨

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Great Hammerhead

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types spanning the Indomalayan and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Taiwan, and Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

虎鯨

作为海豚科体型最大的成员，虎鲸（Orcinus orca）体长可达9米，体重6吨，分布于从北极到南极的所有海洋。以母系群体生活的顶级捕食者，不同种群具有独特的方言、狩猎策略和文化传统。一些种群专门捕食鱼类，另一些则捕食海洋哺乳动物。没有天敌，虎鲸位于其所栖居的每条海洋食物链的顶端。

Great Hammerhead

大双髻鲨是最大的双髻鲨物种，体长可达6米，分布于全球热带和亚热带沿海水域。其独特的T形头部（头翼）大幅增加了感觉表面积以用于电场感应，使其能以卓越精度探测藏在沙中的魟鱼——魟鱼是其首选猎物。由于鱼翅价值高昂以及混捕死亡，种群急剧减少，被列为极度濒危物种。

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇹🇼 Taiwan 🇻🇪 Venezuela